diff --git a/contracts/impl/Settlement.sol b/contracts/impl/Settlement.sol
index d8db11b..ac6e2bd 100644
--- a/contracts/impl/Settlement.sol
+++ b/contracts/impl/Settlement.sol
@@ -119,10 +119,14 @@ contract Settlement is Storage {
         uint256 quoteCapital = getQuoteCapitalBalanceOf(msg.sender);
         uint256 baseCapital = getBaseCapitalBalanceOf(msg.sender);
 
-        uint256 quoteAmount = _TARGET_QUOTE_TOKEN_AMOUNT_.mul(quoteCapital).div(
-            getTotalQuoteCapital()
-        );
-        uint256 baseAmount = _TARGET_BASE_TOKEN_AMOUNT_.mul(baseCapital).div(getTotalBaseCapital());
+        uint256 quoteAmount = 0;
+        if (quoteCapital > 0) {
+            quoteAmount = _TARGET_QUOTE_TOKEN_AMOUNT_.mul(quoteCapital).div(getTotalQuoteCapital());
+        }
+        uint256 baseAmount = 0;
+        if (baseCapital > 0) {
+            baseAmount = _TARGET_BASE_TOKEN_AMOUNT_.mul(baseCapital).div(getTotalBaseCapital());
+        }
 
         _TARGET_QUOTE_TOKEN_AMOUNT_ = _TARGET_QUOTE_TOKEN_AMOUNT_.sub(quoteAmount);
         _TARGET_BASE_TOKEN_AMOUNT_ = _TARGET_BASE_TOKEN_AMOUNT_.sub(baseAmount);
diff --git a/test/Admin.test.ts b/test/Admin.test.ts
index 4eeb928..491f335 100644
--- a/test/Admin.test.ts
+++ b/test/Admin.test.ts
@@ -394,6 +394,40 @@ describe("Admin", () => {
       );
     });
 
+    it("final settlement when only deposit base", async () => {
+      await ctx.DODO.methods
+        .depositBase(decimalStr("10"))
+        .send(ctx.sendParam(lp1));
+
+      await ctx.DODO.methods
+        .finalSettlement()
+        .send(ctx.sendParam(ctx.Deployer));
+
+      await ctx.DODO.methods.claimAssets().send(ctx.sendParam(lp1));
+
+      assert.equal(
+        await ctx.BASE.methods.balanceOf(lp1).call(),
+        decimalStr("100")
+      );
+    });
+
+    it("final settlement when only deposit quote", async () => {
+      await ctx.DODO.methods
+        .depositQuote(decimalStr("1000"))
+        .send(ctx.sendParam(lp1));
+
+      await ctx.DODO.methods
+        .finalSettlement()
+        .send(ctx.sendParam(ctx.Deployer));
+
+      await ctx.DODO.methods.claimAssets().send(ctx.sendParam(lp1));
+
+      assert.equal(
+        await ctx.QUOTE.methods.balanceOf(lp1).call(),
+        decimalStr("10000")
+      );
+    });
+
     it("final settlement revert cases", async () => {
       await assert.rejects(
         ctx.DODO.methods.claimAssets().send(ctx.sendParam(lp1)),