diff --git a/contracts/SmartRoute/helper/DODOCalleeHelper.sol b/contracts/SmartRoute/helper/DODOCalleeHelper.sol
index a77f606..5ea225f 100644
--- a/contracts/SmartRoute/helper/DODOCalleeHelper.sol
+++ b/contracts/SmartRoute/helper/DODOCalleeHelper.sol
@@ -76,7 +76,9 @@ contract DODOCalleeHelper is ReentrancyGuard {
                 to.transfer(amount);
             }
         } else {
-            SafeERC20.safeTransfer(IERC20(token), to, amount);
+            if (amount > 0) {
+                SafeERC20.safeTransfer(IERC20(token), to, amount);
+            }
         }
     }
 }
diff --git a/test/vDODO/mintRedeem.test.ts b/test/vDODO/mintRedeem.test.ts
index b2fdc18..1da9efc 100644
--- a/test/vDODO/mintRedeem.test.ts
+++ b/test/vDODO/mintRedeem.test.ts
@@ -13,17 +13,27 @@ import { assert } from 'chai';
 let account0: string;
 let account1: string;
 let account2: string;
+let account3: string;
+let account4: string;
 
 async function init(ctx: VDODOContext): Promise<void> {
   account0 = ctx.SpareAccounts[0];
   account1 = ctx.SpareAccounts[1];
   account2 = ctx.SpareAccounts[2];
+  account3 = ctx.SpareAccounts[3];
+  account4 = ctx.SpareAccounts[4];
 
-  await ctx.mintTestToken(account0, decimalStr("1000"));
+  await ctx.mintTestToken(account0, decimalStr("100000"));
   await ctx.mintTestToken(account1, decimalStr("1000"));
+  await ctx.mintTestToken(account2, decimalStr("1000"));
+  await ctx.mintTestToken(account3, decimalStr("1000"));
+  await ctx.mintTestToken(account4, decimalStr("1000"));
 
   await ctx.approveProxy(account0);
   await ctx.approveProxy(account1);
+  await ctx.approveProxy(account2);
+  await ctx.approveProxy(account3);
+  await ctx.approveProxy(account4);
 }
 
 async function getGlobalState(ctx: VDODOContext, logInfo?: string) {
@@ -96,10 +106,11 @@ describe("VDODO", () => {
       await ctx.mintTestToken(account0, decimalStr("0"));
 
       let [alpha,] = await getGlobalState(ctx, "after");
-      assert.equal(alpha, "101818181818181818181");
       let userInfo = await getUserInfo(ctx, account0, "User after");
       let superiorInfo = await getUserInfo(ctx, account1, "Superior after")
       let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101818181818181818181");
       assert.equal(userInfo.VDODOAmount, "1000000000000000000");
       assert.equal(userInfo.superiorVDODO, "100000000000000000");
       assert.equal(userInfo.credit, "0");
@@ -110,7 +121,7 @@ describe("VDODO", () => {
       assert.equal(superiorInfo.credit, "10000000000000000000");
       assert.equal(superiorInfo.superior, "0x0000000000000000000000000000000000000000");
 
-      assert.equal(dodo_u, "900000000000000000000")
+      assert.equal(dodo_u, "99900000000000000000000")
     });
 
     it("vdodo-mint-second", async () => {
@@ -130,10 +141,11 @@ describe("VDODO", () => {
       await ctx.mintTestToken(account0, decimalStr("0"));
 
       let [alpha,] = await getGlobalState(ctx, "after");
-      assert.equal(alpha, "101365693130399012751");
       let userInfo = await getUserInfo(ctx, account0, "User after");
       let superiorInfo = await getUserInfo(ctx, account1, "Superior after")
       let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101365693130399012751");
       assert.equal(userInfo.VDODOAmount, "1990990990990990990");
       assert.equal(userInfo.superiorVDODO, "199099099099099099");
       assert.equal(userInfo.credit, "0");
@@ -144,7 +156,7 @@ describe("VDODO", () => {
       assert.equal(superiorInfo.credit, "19999999999999999990");
       assert.equal(superiorInfo.superior, "0x0000000000000000000000000000000000000000");
 
-      assert.equal(dodo_u, "800000000000000000000")
+      assert.equal(dodo_u, "99800000000000000000000")
     });
 
 
@@ -165,10 +177,11 @@ describe("VDODO", () => {
       await ctx.mintTestToken(account0, decimalStr("0"));
 
       let [alpha,] = await getGlobalState(ctx, "after");
-      assert.equal(alpha, "101365693130399012751");
       let userInfo = await getUserInfo(ctx, account0, "User after");
       let superiorInfo = await getUserInfo(ctx, account1, "Superior after")
       let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101365693130399012751");
       assert.equal(userInfo.VDODOAmount, "1990990990990990990");
       assert.equal(userInfo.superiorVDODO, "199099099099099099");
       assert.equal(userInfo.credit, "0");
@@ -186,37 +199,156 @@ describe("VDODO", () => {
       assert.equal(otherInfo.credit, "0");
       assert.equal(otherInfo.superior, "0x0000000000000000000000000000000000000000");
 
-      assert.equal(dodo_u, "800000000000000000000")
+      assert.equal(dodo_u, "99800000000000000000000")
     });
 
 
-    it.only("redeem-amount-read", async () => {
+    it("redeem-amount-read", async () => {
       await mint(ctx, account0, decimalStr("100"), account1)
 
       let [dodoReceive, burnDodoAmount, withdrawFeeDodoAmount] = await ctx.VDODO.methods.getWithdrawAmount(decimalStr("1")).call();
 
-      console.log("dodoReceive:", dodoReceive)
-      console.log("burnDodoAmount:", burnDodoAmount)
-      console.log("withdrawFeeDodoAmount:", withdrawFeeDodoAmount)
-
+      assert.equal(dodoReceive, decimalStr("85"));
+      assert.equal(burnDodoAmount, decimalStr("0"));
+      assert.equal(withdrawFeeDodoAmount, decimalStr("15"));
     });
 
+
     it("redeem-partial-haveMint", async () => {
+      await mint(ctx, account0, decimalStr("10000"), account1)
+
+      await getGlobalState(ctx, "before");
+      await getUserInfo(ctx, account0, "User before");
+      await getUserInfo(ctx, account1, "Superior before")
+      await dodoBalance(ctx, account0, "before")
+
+      await logGas(await ctx.VDODO.methods.redeem(decimalStr("10")), ctx.sendParam(account0), "redeem-partial-haveMint");
+
+      let [alpha,] = await getGlobalState(ctx, "after");
+      let userInfo = await getUserInfo(ctx, account0, "User after");
+      let superiorInfo = await getUserInfo(ctx, account1, "Superior after")
+      let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101524380165289256197");
+      assert.equal(userInfo.VDODOAmount, "90000000000000000000");
+      assert.equal(userInfo.superiorVDODO, "9000000000000000000");
+      assert.equal(userInfo.credit, "0");
+      assert.equal(userInfo.superior, account1);
+
+      assert.equal(superiorInfo.VDODOAmount, "9000000000000000000");
+      assert.equal(superiorInfo.superiorVDODO, "0");
+      assert.equal(superiorInfo.credit, "899990909090909090910");
+      assert.equal(superiorInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      assert.equal(dodo_u, "90850077272727272727265")
 
     });
 
+
     it("redeem-partial-NotMint", async () => {
       //多个下级引用
+      await mint(ctx, account1, decimalStr("100"), account0)
+      await mint(ctx, account2, decimalStr("100"), account0)
+      await mint(ctx, account3, decimalStr("100"), account0)
+      await mint(ctx, account4, decimalStr("100"), account0)
 
+      await getGlobalState(ctx, "before");
+      await getUserInfo(ctx, account0, "User before");
+      await getUserInfo(ctx, account3, "One of referer before");
+      await dodoBalance(ctx, account0, "before")
+
+      let account0VdodoAmount = await ctx.VDODO.methods.balanceOf(account0).call()
+
+      await logGas(await ctx.VDODO.methods.redeem((account0VdodoAmount - 3000) + ""), ctx.sendParam(account0), "redeem-partial-NotMint");
+
+      let [alpha,] = await getGlobalState(ctx, "after");
+      let userInfo = await getUserInfo(ctx, account0, "User after");
+      let superiorInfo = await getUserInfo(ctx, account3, "One of referer after")
+      let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101909933011338172201");
+      assert.equal(userInfo.VDODOAmount, "393425809544634067");
+      assert.equal(userInfo.superiorVDODO, "0");
+      assert.equal(userInfo.credit, "39999999999999999876");
+      assert.equal(userInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      assert.equal(superiorInfo.VDODOAmount, "986527067608148689");
+      assert.equal(superiorInfo.superiorVDODO, "98652706760814868");
+      assert.equal(superiorInfo.credit, "0");
+      assert.equal(superiorInfo.superior, account0);
+
+      assert.equal(dodo_u, "100000232341473424735076")
     });
 
+
     it("redeem-all-haveMint", async () => {
+      //第一笔mint不动，防止totalSupply过小
+      await mint(ctx, account0, decimalStr("10000"), account1)
+      await mint(ctx, account1, decimalStr("100"), account2)
+
+      await getGlobalState(ctx, "before");
+      await getUserInfo(ctx, account1, "User before");
+      await getUserInfo(ctx, account2, "Superior before")
+      await dodoBalance(ctx, account1, "before")
+
+      let account1VdodoAmount = await ctx.VDODO.methods.balanceOf(account1).call()
+
+      await logGas(await ctx.VDODO.methods.redeem(account1VdodoAmount), ctx.sendParam(account1), "redeem-all-haveMint");
+
+      let [alpha,] = await getGlobalState(ctx, "after");
+      let userInfo = await getUserInfo(ctx, account1, "User after");
+      let superiorInfo = await getUserInfo(ctx, account2, "Superior after")
+      let [, dodo_u] = await dodoBalance(ctx, account1, "after")
+
+      assert.equal(alpha, "100154592821433302856");
+      assert.equal(userInfo.VDODOAmount, "9999090991728024725");
+      assert.equal(userInfo.superiorVDODO, "0");
+      assert.equal(userInfo.credit, "1000000000000000000000");
+      assert.equal(userInfo.superior, account2);
+
+      assert.equal(superiorInfo.VDODOAmount, "8998462015594");
+      assert.equal(superiorInfo.superiorVDODO, "0");
+      assert.equal(superiorInfo.credit, "0");
+      assert.equal(superiorInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      assert.equal(dodo_u, "985084929758388492933")
 
     });
 
+
     it("redeem-all-NoMint", async () => {
       //多个下级引用
-    });
+      await mint(ctx, account1, decimalStr("100"), account0)
+      await mint(ctx, account2, decimalStr("100"), account0)
+      await mint(ctx, account3, decimalStr("100"), account0)
+      await mint(ctx, account4, decimalStr("100"), account0)
 
+      await getGlobalState(ctx, "before");
+      await getUserInfo(ctx, account0, "User before");
+      await getUserInfo(ctx, account3, "One of referer before");
+      await dodoBalance(ctx, account0, "before")
+
+      let account0VdodoAmount = await ctx.VDODO.methods.balanceOf(account0).call()
+
+      await logGas(await ctx.VDODO.methods.redeem(account0VdodoAmount), ctx.sendParam(account0), "redeem-all-NotMint");
+
+      let [alpha,] = await getGlobalState(ctx, "after");
+      let userInfo = await getUserInfo(ctx, account0, "User after");
+      let superiorInfo = await getUserInfo(ctx, account3, "One of referer after")
+      let [, dodo_u] = await dodoBalance(ctx, account0, "after")
+
+      assert.equal(alpha, "101909933011338182738");
+      assert.equal(userInfo.VDODOAmount, "393425809544631067");
+      assert.equal(userInfo.superiorVDODO, "0");
+      assert.equal(userInfo.credit, "39999999999999999876");
+      assert.equal(userInfo.superior, "0x0000000000000000000000000000000000000000");
+
+      assert.equal(superiorInfo.VDODOAmount, "986527067608148689");
+      assert.equal(superiorInfo.superiorVDODO, "98652706760814868");
+      assert.equal(superiorInfo.credit, "0");
+      assert.equal(superiorInfo.superior, account0);
+
+      assert.equal(dodo_u, "100000232341473424994923")
+    });
   })
 });